2023-03-11 00:44:57 +00:00
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#ifndef VB_H_
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#define VB_H_
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2021-08-30 02:14:06 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef VBAPI
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#define VBAPI extern
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#endif
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/* Header includes */
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#include <stddef.h>
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#include <stdint.h>
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/********************************* Constants *********************************/
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2024-10-10 23:35:16 +00:00
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/* Callback IDs */
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#define VB_EXCEPTION 0
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#define VB_EXECUTE 1
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#define VB_FETCH 2
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#define VB_FRAME 3
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#define VB_READ 4
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#define VB_WRITE 5
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2021-08-30 02:14:06 +00:00
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2023-03-11 00:44:57 +00:00
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/* System registers */
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2021-08-30 02:14:06 +00:00
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#define VB_ADTRE 25
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#define VB_CHCW 24
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#define VB_ECR 4
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#define VB_EIPC 0
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#define VB_EIPSW 1
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#define VB_FEPC 2
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#define VB_FEPSW 3
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#define VB_PIR 6
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#define VB_PSW 5
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#define VB_TKCW 7
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2024-10-10 23:35:16 +00:00
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/* Memory access data types */
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#define VB_S8 0
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#define VB_U8 1
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#define VB_S16 2
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#define VB_U16 3
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#define VB_S32 4
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2021-09-02 00:16:22 +00:00
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2024-10-10 23:35:16 +00:00
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/* CPU modes */
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#define VB_ACCURACY 0
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#define VB_DEBUG 1
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#define VB_WHOLE 2
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2021-09-30 17:33:55 +00:00
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2021-08-30 02:14:06 +00:00
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/*********************************** Types ***********************************/
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2024-10-10 23:35:16 +00:00
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/* Simulation state */
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2021-08-30 02:14:06 +00:00
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typedef struct VB VB;
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2021-09-19 01:31:40 +00:00
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2024-10-10 23:35:16 +00:00
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/* Callbacks */
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typedef int (*vbOnExecute)(VB *sim, uint32_t address, const uint16_t *code, int length);
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typedef int (*vbOnFetch )(VB *sim, int fetch, uint32_t address, int32_t *value, uint32_t *cycles);
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typedef int (*vbOnRead )(VB *sim, uint32_t address, int type, int32_t *value, uint32_t *cycles);
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typedef int (*vbOnWrite )(VB *sim, uint32_t address, int type, int32_t *value, uint32_t *cycles, int *cancel);
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/******************************* API Commands ********************************/
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VBAPI int vbEmulate (VB *sim, uint32_t *clocks);
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VBAPI int vbEmulateEx (VB **sims, int count, uint32_t *clocks);
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VBAPI void* vbGetCallback (VB *sim, int id);
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VBAPI void* vbGetCartRAM (VB *sim, uint32_t *size);
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VBAPI void* vbGetCartROM (VB *sim, uint32_t *size);
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VBAPI uint32_t vbGetProgramCounter (VB *sim);
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VBAPI int32_t vbGetProgramRegister(VB *sim, int index);
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VBAPI uint32_t vbGetSystemRegister (VB *sim, int index);
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VBAPI VB* vbInit (VB *sim);
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VBAPI int32_t vbRead (VB *sim, uint32_t address, int type);
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VBAPI VB* vbReset (VB *sim);
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VBAPI void* vbSetCallback (VB *sim, int index, void *callback);
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VBAPI int vbSetCartRAM (VB *sim, void *sram, uint32_t size);
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VBAPI int vbSetCartROM (VB *sim, void *rom, uint32_t size);
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VBAPI uint32_t vbSetProgramCounter (VB *sim, uint32_t value);
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VBAPI int32_t vbSetProgramRegister(VB *sim, int index, int32_t value);
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VBAPI uint32_t vbSetSystemRegister (VB *sim, int index, uint32_t value);
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VBAPI size_t vbSizeOf ();
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VBAPI int32_t vbWrite (VB *sim, uint32_t address, int type, int32_t value);
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2021-08-30 02:14:06 +00:00
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#ifdef __cplusplus
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}
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#endif
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2023-03-11 00:44:57 +00:00
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#endif /* VB_H_ */
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